| 1 | |
| Researcher: | Singh, Bishwambher |
| Guide: | Goyal, S K |
| University: | Banaras Hindu University |
| Language: | English |
| 2 | Bihar ke harijanon kee arthik evem samajik sthiti: Khangadiya Jile ka ek adhyayan |
| Researcher: | Singh, Arbind Kumar |
| Guide: | Saran, Prasant |
| University: | Tilka Manjhi Bhagalpur University |
| Language: | English |